Leucocoprinus subcretaceus (Bon) Kun L. Yang, Jia Y. Lin & Zhu L. Yang, 2024

Yang, Kun L., Lin, Jia Y., Li, Guang-Mei, Li, Taihui & Yang, Zhu L., 2024, Rediscovering Leucoagaricus sinicus, with the recognition of Leucoagaricus and Leucocoprinus as separate genera, and two new genera in Agaricaceae (Basidiomycota), Phytotaxa 676 (3), pp. 199-255 : 239-240

Leucocoprinus subcretaceus (Bon) Kun L. Yang, Jia Y. Lin & Zhu L. Yang , comb. nov.

Registration identifier:— FN572180

Basionym:— Leucoagaricus subcretaceus Bon, Documents Mycologiques 13(49): 49 (1983)

Notes:— Based on the phylogenetic and morphological evidence of the following collections: KULG-39 (from India, sequence data available from KF410815 (ITS), direct submission by Itoo et al.) & MCVE16439 (from Italy, sequence data available from GQ329063 (ITS), direct submission by Garbelotto et al.). Further studies are required to clarify the relationship between this species and Leucocoprinus leucothites , as they are mixed in the phylogeny ( Fig. 2 ).

Leucocoprinus subhymenoderma (Bon & A. Caball.) Kun L. Yang, Jia Y. Lin & Zhu L. Yang , comb. nov. Registration identifier:— FN572181

Basionym:— Leucoagaricus subhymenoderma Bon & A. Caball., Documents Mycologiques 32(127–128): 43 (2003)

Notes:— Based on the phylogenetic and morphological evidence of the following collection: AC2638 (holotype, from Spain, sequence data available from KT992146 (ITS), direct submission by Caballero & Alvarado).

Leucocoprinus tangerinus (Y. Yuan & J.F. Liang) Kun L. Yang, Jia Y. Lin & Zhu L. Yang , comb. nov. ( Fig. 10 ) Registration identifier:— FN572182

Basionym:— Leucoagaricus tangerinus Y. Yuan & J.F. Liang, Mycological Progress 13(3): 895 (2014)

Notes:— Based on the phylogenetic and morphological evidence of the following collections: HKAS50036 (holotype, from China, sequence data available from KF501437 (ITS), referred to Yuan et al. (2014)), HKAS52695 (from China, sequence data available from KF501436 (ITS), referred to Yuan et al. (2014)), HTBM0679 (from China, sequence data available from PQ321878 (ITS), PQ319804 (nrLSU) & PQ329243 (tef-1α), by this study), HTBM0836 (from China, sequence data available from PQ321867 (ITS) & PQ319794 (nrLSU), by this study), HTBM0958 (from China, sequence data available from PQ321868 (ITS) & PQ319795 (nrLSU), by this study), HTBM1273 (from China, sequence data available from PQ321869 (ITS), by this study) & HTBM1779 (from China, sequence data available from PQ321870 (ITS) & PQ319796 (nrLSU), by this study).

Figures

FIGURE 2. Details of the Main phylogeny, inferred from the concatenated ITS-nrLSU-rpb2-tef-1α dataset. Nodes are annotated if supported by ≥50% MLB or ≥0.9 BPP. Branches shortened to fit the page are indicated by two diagonal lines with the number of times that they are shortened. Each genus is highlighted with a background color. Holotypes, isotypes, paratypes, and epitypes are indicated by HT, IT, PT, and ET, respectively; note that the paratypes of a species are only indicated when its holotype is not present.

FIGURE 10.Leucocoprinus tangerinus(photosby JiaY.Lin, Kun L.Yang& Zhen-Chao Liu;drawings by Kun L.Yang,from HTBM0836). a–e. Basidiomata (a. HTBM1273; b. HTBM0958; c. HTBM0679; d–e. HTBM1779).f. SEM photo of the basidiospores from HTBM0836. g. Squamules at the pileus center. h. Line drawing of the basidiospores from HTBM0836. i. Cheilocystidia. Bars: a–c = 1 cm, d–e = 2 cm, f, h = 5 µm, g, i = 10 µm.